4.0 with auto, looking at the 4.56 I have the stock 3.73 nowYeah, you'll want to regear. What are you planning to regear too? What engine and transmission do you have?
4.0 with auto, looking at the 4.56 I have the stock 3.73 now
Hit @Rob5589 up. He knows all about regearing.4.0 with auto. Maybe 4.10..not sure yet.
4.0/4 spd auto/33's you want nothing less than 4.88, 5.13 is even better.
4.0/manual/33's works with 4.56.
4.0/3 spd auto/33's 4.10 is what you want